#!/bin/bash

# Slackware build script for ffgo

# Copyright 2017 Philip Lacroix <slackph at posteo dot de>
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=ffgo
SRCNAM=FFGo
VERSION=${VERSION:-1.12.3}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=${PKG:-$TMP/package-$PRGNAM}
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "x86_64" ]; then
  LIBDIRSUFFIX="64"
else
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRCNAM-$VERSION
tar xvzf $CWD/$SRCNAM-$VERSION.tar.gz

cd $SRCNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 \
  -o -perm 400 \) -exec chmod 644 {} \;

python3 setup.py install --root=$PKG

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

# Grab Python 3 version.
PY3VER=$(python3 --version | sed -e "s~.*\(3\.[0-9]*\).*~\1~")

PRGETC=$PKG/etc/$PRGNAM
PRGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
PRGDAT=$PKG/usr/lib${LIBDIRSUFFIX}/python${PY3VER}/site-packages/$PRGNAM/data

# Install documentation.
mkdir -p $PRGDOC
cp -a COPYING* ChangeLog* README.rst $PRGDOC/
cat $CWD/$PRGNAM.SlackBuild > $PRGDOC/$PRGNAM.SlackBuild

# Manage config and presets files.
mkdir -p $PRGETC
ln -sf ${PRGDAT#$PKG}/config $PRGETC/config
for conf in $PRGDAT/config/* ; do
  mv ${conf} ${conf}.new
done

mkdir $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

# Tweak config path in doinst.sh.
sed -i "s~LIBDIRSUFFIX~${LIBDIRSUFFIX}~" $PKG/install/doinst.sh
sed -i "s~PY3VER~${PY3VER}~" $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
